diff mbox series

[v2,5/7] wifi: rtw88: add flushing queue before HW scan

Message ID 20220809084107.38137-6-pkshih@realtek.com
State New
Headers show
Series wifi: rtw88: add proper mutex lock to safely access channel | expand

Commit Message

Ping-Ke Shih Aug. 9, 2022, 8:41 a.m. UTC 
From: Chih-Kang Chang <gary.chang@realtek.com>

We need to flush queue before HW scan to avoid packets dropped by hardware.

Signed-off-by: Chih-Kang Chang <gary.chang@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
---
 drivers/net/wireless/realtek/rtw88/fw.c | 4 ++++
 1 file changed, 4 insertions(+)
diff mbox series

Patch

diff --git a/drivers/net/wireless/realtek/rtw88/fw.c b/drivers/net/wireless/realtek/rtw88/fw.c
index 992cae1b05fbb..babba68a71325 100644
--- a/drivers/net/wireless/realtek/rtw88/fw.c
+++ b/drivers/net/wireless/realtek/rtw88/fw.c
@@ -15,6 +15,7 @@ 
 #include "wow.h"
 #include "ps.h"
 #include "phy.h"
+#include "mac.h"
 
 static void rtw_fw_c2h_cmd_handle_ext(struct rtw_dev *rtwdev,
 				      struct sk_buff *skb)
@@ -2056,6 +2057,9 @@  void rtw_hw_scan_start(struct rtw_dev *rtwdev, struct ieee80211_vif *vif,
 	rtwvif->scan_req = req;
 
 	ieee80211_stop_queues(rtwdev->hw);
+	rtw_leave_lps_deep(rtwdev);
+	rtw_hci_flush_all_queues(rtwdev, false);
+	rtw_mac_flush_all_queues(rtwdev, false);
 	if (req->flags & NL80211_SCAN_FLAG_RANDOM_ADDR)
 		get_random_mask_addr(mac_addr, req->mac_addr,
 				     req->mac_addr_mask);